Note 4 - Balance Sheet Components

9 Months Ended

Sep. 30, 2015

Disclosure Text Block Supplement [Abstract]

Supplemental Balance Sheet Disclosures [Text Block]

4. BALANCE SHEET COMPONENTS

Inventories 

Inventories consist of the following (in thousands):  

	September 30,		December 31,
	2015		2014
Raw materials	$	16,840	$	7,298
Work in process		23,083		18,950
Finished goods		27,386		14,670
Total	$	67,309	$	40,918

Other Long-Term Assets

Other long-term assets consist of the following (in thousands):

	September 30,		December 31,
	2015		2014
Deferred compensation plan assets	$	8,971	$	6,084
Prepaid expense		1,370		1,418
Other		1,150		955
Total	$	11,491	$	8,457

Accrued Liabilities

Accrued liabilities consist of the following (in thousands): 

	September 30,		December 31,
	2015		2014
Dividends and dividend equivalents	$	8,525	$	6,080
Deferred revenue and customer prepayments		4,083		3,908
Stock rotation reserve		2,667		1,757
Commissions		819		767
Sales rebate		446		586
Warranty		268		240
Other		1,895		1,365
Total	$	18,703	$	14,703

A roll-forward of the warranty reserve is as follows (in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
Balance at beginning of period	$	205		$	290		$	240		$	451
Warranty provision for product sales		91			78			246			207
Settlements made		-			-			(153	)		(74	)
Unused warranty provision		(28	)		(128	)		(65	)		(344	)
Balance at end of period	$	268		$	240		$	268		$	240

Other Long-Term Liabilities

Other long-term liabilities consist of the following (in thousands):

	September 30,		December 31,
	2015		2014
Deferred compensation plan liabilities	$	9,020	$	6,177
Contingent consideration		2,507		2,507
Dividend equivalents		1,727		580
Other		863		940
Total	$	14,117	$	10,204